Probably the most common usage of a lever is with a claw hammer. Leverage is used to remove nails with the claw end. Some draw bridges use a lever system with counter-weights. A hand cart that is used for moving heavy items uses a lever action.
levers are used to lift up objects
there are 3 levers i think...
scissors have two connected levers that can be used to cut paper or cloth.
Levers are useful because they transfer force over a distance. Levers are known for being simple machines and are easy to construct.
levers are used everywhere in the home it can balance things and you can hold some levers are boat pads bicycle brakes and seesaw plus an wheelbarrow
Levers and Leverage can be used in a variety of forms to make life easier.Door Handles on a car are essentially levers connected to levers via various linkages.You will find several levers on a bicycle. Your cranks, shifters, and brakes are all levers. Derailleurs have a few levers in them, and perhaps the handlebars are a unique type of lever too.
Mechanical advantage is not the only reason to use levers.
a cube because its used in the real world plus its not a polygon
Scales and kitchen use.
slot machines
E means Electronic in this real world of technology
It would probably effect the world a little, I guess. I mean, how many things in the world were invented that involve levers? Then, those inventions wouldn't...well, you know, be invented.